📐 Part 1: Simple Shapes Perimeter

1. Calculate the perimeter of a square with sides of 8 cm.

Perimeter = _______ cm

2. Find the perimeter of a rectangle measuring 12 cm by 7 cm.

Perimeter = _______ cm

3. A triangle has sides of 6 cm, 8 cm, and 10 cm. What is its perimeter?

24 cm

26 cm

28 cm

30 cm

4. Convert and calculate: A square garden has sides of 1.5 metres. What is the perimeter in centimetres?

Perimeter = _______ cm

🏠 Part 2: Rectilinear Composite Shapes

5. An L-shaped patio has these measurements: top section 8m × 3m, bottom section 5m × 4m. Calculate the perimeter.

Perimeter = _______ metres

6. Which sides do you count when calculating the perimeter of a composite shape?

All sides including internal ones

Only the external (outside) sides

Only the longest sides

Only horizontal sides

7. Mrs. Johnson wants to put a fence around her rectangular vegetable garden that measures 15 metres by 8 metres. How much fencing does she need?

Answer: _______ metres of fencing

8. A picture frame is 25 cm wide and 35 cm tall. What length of decorative trim is needed to go around the entire frame?

Answer: _______ cm of trim

9. Explain your method: How do you make sure you don't miss any sides when calculating the perimeter of a composite shape?